fix-manifest.js

const fs = require("fs")

let dir = `${process.cwd()}/dist/_nuxt/`
const purpose = ["any", "maskable"]

fs.readdir(dir, (err, files) => {
  if (err) console.log("error: " + err)
  else
    files.forEach((file) => {
      if (file.includes("manifest")) {
        console.log(`Manifest File Name: ${file}`)
        const manifestPath = `${process.cwd()}/dist/_nuxt/${file}`
        let manifest = fs.readFileSync(manifestPath, "utf8")
        console.log("BEFORE EDITING")
        console.log(manifest)
        let manifestObj = JSON.parse(manifest)
        manifestObj.icons.forEach((icon) => {
          icon.purpose = purpose.join(" ")
        })
        manifest = JSON.stringify(manifestObj)
        fs.writeFileSync(manifestPath, manifest, "utf8")
        manifest = fs.readFileSync(manifestPath, "utf8")
        console.log("AFTER EDITING")
        console.log(manifest)
      }
    })
})